Frontiers in Pharmacology,
Journal Year:
2024,
Volume and Issue:
15
Published: Dec. 4, 2024
Fibrosis
is
the
outcome
of
any
abnormal
tissue
repair
process
that
results
in
normal
replacement
with
scar
tissue,
leading
to
persistent
damage
and
cellular
injury.
During
fibrosis,
many
cytokines
chemokines
are
involved,
their
activities
controlled
by
post-translational
modifications,
especially
SUMOylation
NEDDylation.
Both
these
modifications
entail
a
three-step
activation,
conjugation,
ligation
involves
three
kinds
enzymes,
namely,
E1
activating,
E2
conjugating,
E3
ligase
enzymes.
participates
organ
fibrosis
modulating
FXR,
PML,
TGF-β
receptor
I,
Sirt3,
HIF-1α,
Sirt1,
while
NEDDylation
influences
regulating
cullin3,
NIK,
SRSF3,
UBE2M.
Further
investigations
exhibit
therapeutic
potentials
SUMOylation/NEDDylation
activators
inhibitors
against
ginkgolic
acid
MLN4924
These
demonstrate
effects
highlight
as
well
potential
candidates.
In
future,
deeper
needed
identify
novel
substrates
fibrosis;
moreover,
clinical
determine
can
benefit
patients.
This
review
highlights
function
targets
for
fibrosis.
Cell Death and Differentiation,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 4, 2025
Abstract
The
importance
of
SUMOylation
in
tumorigenesis
has
received
increasing
attention,
and
research
on
therapeutic
agents
targeting
this
pathway
progressed.
However,
the
potential
function
during
hepatocellular
carcinoma
(HCC)
progression
underlying
molecular
mechanisms
remain
unclear.
Here,
we
identified
that
SUMO-Specific
Peptidase
3
(SENP3)
was
upregulated
HCC
tissues
correlated
with
a
poor
prognosis.
Multiple
functional
experiments
demonstrated
SENP3
promotes
malignant
phenotype
cells.
Mechanistically,
deSUMOylates
RACK1
subsequently
increases
its
stability
interaction
PKCβII,
thereby
promoting
eIF4E
phosphorylation
translation
oncogenes,
including
Bcl2,
Snail
Cyclin
D1.
Additionally,
tumor-intrinsic
infiltration
tumor-associated
macrophages
(TAMs)
while
reducing
cytotoxic
T
cells
to
facilitate
immune
evasion.
CCL20
via
/eIF4E
axis.
Liver-specific
knockdown
significantly
inhibits
liver
chemically
induced
model.
inhibition
enhances
efficacy
PD-1
blockade
an
mouse
Collectively,
plays
cell-intrinsic
cell-extrinsic
roles
evasion
by
modulating
oncogene
cytokine
translation.
Targeting
is
novel
target
for
boosting
responsiveness
immunotherapy.
Frontiers in Bioscience-Landmark,
Journal Year:
2025,
Volume and Issue:
30(1)
Published: Jan. 22, 2025
Background:
This
study
investigates
the
role
of
small
ubiquitin-like
modifier
(SUMO)-specific
peptidase
5
(SENP5),
a
key
regulator
SUMOylation,
in
esophageal
squamous
cell
carcinoma
(ESCC),
lethal
disease,
and
its
underlying
molecular
mechanisms.
Methods:
Differentially
expressed
genes
between
ESCC
mouse
oesophageal
cancer
tissues
normal
were
analysed
via
RNA-seq;
among
them,
SENP5
expression
was
upregulated,
this
gene
selected
for
further
analysis.
Immunohistochemistry
western
blotting
then
used
to
validate
increased
protein
level
both
human
samples.
The
Kaplan‒Meier
method
multivariate
analysis
analyse
relationship
prognosis.
Stable
SENP5-knockdown
(KD)
lines
conditional
knockout
(cKO)
mice
established
verify
biological
function
SENP5.
Further
RNA-seq
comparisons
short
hairpin
(shSENP5)-
negative
control
(shNC)-transfected
conducted,
nuclear
factor
kappa
B
(NF-κB)—SLC1A3
axis
identified
through
bioinformatics
correlation
with
signalling
pathway
components
validated
real-time
quantitative
PCR
(qPCR),
(WB),
immunoprecipitation.
Results:
Our
revealed
that
upregulated
samples,
clinical
data
high
poor
patient
knockdown
inhibited
tumorigenesis
growth
vivo
suppressed
proliferation,
migration,
invasion
vitro.
also
enhanced
SUMO1-mediated
SUMOylation
NF-kappa-B
inhibitor
alpha
(IκBα),
thereby
inhibiting
activation
NF-κB–SLC1A3
axis,
which
subsequently
suppresses
energy
metabolism
impedes
progression.
Conclusions:
Suppression
slows
development
by
NF-κB‒SLC1A3
IκBα.
research
suggests
could
serve
as
prognostic
indicator
target
therapeutic
intervention
patients.
BMC Cancer,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: April 22, 2025
Ubiquitin-Specific
Protease
39
(USP39)
has
been
implicated
in
numerous
malignancies,
however,
its
pathogenic
mechanisms
and
impact
on
the
tumor
immune
microenvironment
(TIME)
remain
incompletely
characterized.
Based
The
Cancer
Genome
Atlas
(TCGA)
Genotype-Tissue
Expression
(GTEx)
databases,
we
investigated
diagnostic
prognostic
values
of
USP39
across
various
cancer
types.
Additionally,
examined
correlation
between
expression
immune-related
gene
signature,
cell
infiltration
pattern,
microsatellite
instability
(MSI),
mutation
burden
(TMB).
This
study
specifically
focused
exploring
clinical
relevance
molecular
functions
pancreatic
adenocarcinoma
(PAAD),
with
particularly
emphasis
role
shaping
TIME
modulating
responses
to
immunotherapy.
results
demonstrated
that
evaluated
significantly
correlated
advanced
stage
unfavorable
outcomes
multiple
types,
most
notably
PAAD.
Functional
enrichment
analysis
indicated
potentially
promotes
progression
through
oncogenic
signaling
cascades.
In
vitro
experimental
validation
confirmed
knockdown
inhibited
migration
proliferation
cells
while
inducing
apoptosis.
identified
significant
positive
correlations
checkpoint
molecules,
prominent
Furthermore,
observed
associations
TMB
16
types
MSI
11
suggesting
heightened
may
enhance
responsiveness
immunotherapeutic
interventions.
Collectively,
our
findings
establish
as
a
valuable
biomarker
both
utility
especially
PAAD,
underscoring
potential
promising
therapeutic
target
for
Clinical
trial
number
Not
applicable.
Cell Communication and Signaling,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Aug. 19, 2024
SUMOylation,
a
post-translational
modification
involving
the
covalent
attachment
of
small
ubiquitin-like
modifier
(SUMO)
proteins
to
target
substrates,
plays
pivotal
role
at
intersection
gut
health
and
disease,
influencing
various
aspects
intestinal
physiology
pathology.
This
review
provides
comprehensive
examination
SUMOylation's
diverse
roles
within
microenvironment.
We
examine
its
critical
in
maintaining
epithelial
barrier
integrity,
regulating
immune
responses,
mediating
host-microbe
interactions,
thereby
highlighting
complex
molecular
mechanisms
that
underpin
homeostasis.
Furthermore,
we
explore
impact
SUMOylation
dysregulation
disorders,
including
inflammatory
bowel
diseases
colorectal
cancer,
implications
as
potential
diagnostic
biomarker
therapeutic
target.
By
integrating
current
research
findings,
this
offers
valuable
insights
into
dynamic
interplay
between
health,
paving
way
for
novel
strategies
aimed
restoring
equilibrium
combating
associated
pathologies.
Reproductive Biology and Endocrinology,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Aug. 28, 2024
The
ubiquitination
is
crucial
for
controlling
cellular
homeostasis
and
protein
modification,
in
which
ubiquitin-conjugating
enzyme
(E2)
acts
as
the
central
player
system.
Ubiquitin-conjugating
enzymes,
have
special
domains
that
catalyse
substrates,
sequence
discrepancies
modulate
various
pathophysiological
processes
different
cells
of
multiple
organisms.
E2s
take
part
mitosis
primordial
germ
cells,
meiosis
spermatocytes
formation
mature
haploid
spermatids
to
maintain
normal
male
fertility.
In
this
review,
we
summarize
types
their
functions
during
distinct
stages
spermatogenesis.
Frontiers in Pharmacology,
Journal Year:
2025,
Volume and Issue:
16
Published: April 16, 2025
Pancreatic
ductal
adenocarcinoma
(PDAC)
is
highly
malignant
with
a
poor
prognosis,
posing
significant
clinical
challenges.
SUMOylation,
reversible
post-translational
modification,
plays
critical
role
in
tumor
progression,
yet
its
prognostic
significance
PDAC
remains
unclear.
We
assessed
SUMOylation
expression
patterns
and
function
using
Western
blot
the
inhibitor
TAK-981.
Differentially
expressed
substrate
encoding
genes
(DE-SSEGs)
were
identified
from
The
Cancer
Genome
Atlas
(TCGA)
Genotype-Tissue
Expression
Project
(GTEx)
datasets.
A
SUMOylation-based
model,
Sscore,
was
constructed
LASSO
Cox
regression.
Additional
analyses
included
somatic
mutation,
immune
infiltration,
TIDE,
drug
sensitivity,
single-cell
RNA
sequencing.
of
SAFB2
validated
vitro.
cells
showed
elevated
inhibition
reduced
cell
proliferation.
Sscore
based
on
DE-SSEGs
(CDK1,
AHNAK2,
SAFB2),
predicted
overall
survival
correlated
genome
variation,
sensitivity.
Single-cell
analysis
further
confirmed
link
between
high
malignancy.
SAFB2,
as
pivotal
gene
within
significantly
downregulated
tissues
lines;
overexpression
shown
to
inhibit
proliferation,
migration,
invasion
by
suppressing
Wnt/β-Catenin
signaling
pathway.
This
study
underscores
introduces
tool.
potential
suppressor,
offering
new
therapeutic
targets
for
PDAC.